/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Returns node input's literal value if set on graph, otherwise fails and returns default literal.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Audio|MetaSound|Builder", Meta=(ExpandEnumAsExecs="OutResult")) [FMetasoundFrontendLiteral](API\Plugins\MetasoundFrontend\FMetasoundFrontendLiteral) GetNodeInputDefault ( const [FMetaSoundBuilderNodeInputHandle](API\Plugins\MetasoundEngine\FMetaSoundBuilderNodeInputHandle) & InputHandle, [EMetaSoundBuilderResult](API\Plugins\MetasoundEngine\EMetaSoundBuilderResult) & OutResult )